SPI

中文说明

Features

• Compatible with Motorola SPI standard
• Half duplex serial data transmission
• SPI master mode only
• Standard, dual and quad SPI mode support
• Max 4 slave device select
• Programmable prescaler
  • max division factor is up to 2^16
• MSB or LSB bit transmission order
• Hardware or Software NSS configuration
• 8, 16, 24 or 32 bits data transmission size
• 1~65536 transmission length with hardware NSS
• All CPOL and CPHA mode support
• Programmable dummay and delay cycles configuration
• Independent send and receive FIFO
  • 16~64 data depth
  • empty or no-emtpy status flag
• Maskable send or receive interrupt and programmable threshold
• Static synchronous design
• Full synthesizable

Refer to the RTL and driver sources for the current implementation details.